Category Archives: Math Memory Tricks

Natural Logarithm Memory Pegs

Natural log memory pegs. A 2, 3, 4, 5,6, 7, 8,9,10, B is 35, 36, 35, 32,30, 28,26,24, 23. Take A * B/100. So ln 5 = 5*32/100 = 1.6 Slightly better is A 2, 3, 4, 5,6, 7, 8,9,10, … Continue reading

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How to memorize common logarithms

index  multiplier  log 2   * .15 =   .3 3  * .16 =  .48 4 * .15 = .60 5 *.14  = .70 6* .13 = .78 7 * .12 = .84 8 * .11 = .88 10 * .10 … Continue reading

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